These flannel sheets are made from 100% cotton brushed flannel, creating a sheet that is very soft yet durable enough for every day use. The flannel is a premium 5 oz per square yard (170 grams per square meter), which will last for years when properly cared for. The set includes one flat sheet (81" x 96"), one fitted sheet (54" x 76") and two standard pillowcases (20" x 30"). The fitted sheet is generously sized with deep pockets that fit a mattress up to 15" which is perfect for today's premium size mattresses. These wonderful sheets are also machine washable..